In Conservative leadership news, MP and former public safety minister Steven Blaney has chosen the social-limbo ritual of a brunch to let Canadians know he’s made up his mind about his future. Our Janice Dickson has the details. Meanwhile, MP Brad Trost has suddenly found himself alone as the race’s only resolutely so-con candidate — and he’s doing what he can to draw attention to that fact, reports our BJ Siekierski.

Canada’s top special forces soldier has pleaded guilty to negligence after accidentally firing his weapon last year. Maj.-Gen. Mike Rouleau entered the plea during a court martial in Gatineau, Que., today. CP has that story.

Premier Kathleen Wynne says her government is introducing a cap-and-trade system next year because Ontarians are “very bad actors” when it comes to per capita creation of greenhouse gases. CP has the full story.

The environmental group Climate Direct Action says activists were arrested on Tuesday after they shut down five pipelines carrying crude from the Canadian oilsands into the U.S. market to show solidarity with the Standing Rock Sioux Tribe, which has been protesting the construction of a pipeline carrying oil from North Dakota to the U.S. Gulf Coast. Reuters has the details.

“Rapidly changing how it communicates with Canadians, the federal government is on pace to spend more on Facebook ads in the Liberals’ first year in office than it did between 2006 and 2014 combined,” reports The Ottawa Citizen‘s Jason Fekete.